CN215175655U

CN215175655U - Electrical equipment

Info

Publication number: CN215175655U
Application number: CN202120618678.1U
Authority: CN
Inventors: 祝克楠
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-12-14
Anticipated expiration: 2031-03-26

Abstract

The present disclosure relates to an electrical apparatus. The electric appliance of the present disclosure includes: the first shell comprises a bottom plate and a side wall formed by extending upwards along the side edge of the bottom plate; the liquid storage device is used for containing liquid and comprises a second shell, and the second shell is accommodated in the first shell; an accommodating space is formed between the bottom wall of the second shell and the chassis; and a temperature control device configured to maintain the temperature of the bottom wall of the second housing not lower than an ambient temperature. The setting of this disclosure can avoid the comdenstion water to drip to the circuit board on, lead to harm such as short circuit to appear in the circuit board, and then has ensured electrical equipment's quality.

Description

Electrical equipment

Technical Field

The present disclosure relates to the field of household appliances, and in particular, to an electrical appliance.

Background

With the continuous improvement of living standard of people, consumers put forward new requirements on living comfort. The indoor environment electrical appliance series products are produced at the same time. The humidifier plays an irreplaceable role as one of the important items, and the humidity of indoor air and the health of human bodies have key influences.

The humidifier is mainly divided into an ultrasonic humidifier and an evaporative humidifier, the ultrasonic humidifier generates ultra-fine water mist by using high-frequency sound vibration, then discharges water to be added into a room, and risks of discharging bacteria and impurities in the water into the room exist.

The evaporative humidifier has great advantages in this respect, and generally, the evaporative humidifier increases the hair-increasing area by uniformly wetting water on a large filter element, and simultaneously outputs water vapor to the air through a fan.

Generally, a circuit board is generally arranged at the lower part of a water tank part of an evaporative humidifier, and since the evaporative humidifier mainly performs humidification in an evaporation mode, water absorbs heat in a humidification process to cause the temperature in the range of the water tank to be reduced, so that the temperature of a water tank shell is lower than the ambient temperature.

In the space that the air that is rich in moisture in the environment gets into water tank casing and humidifier shell formation through humidifier shell air inlet, meet the water tank casing that the temperature is low and can form the comdenstion water, cause the circuit short circuit to take place the incident.

SUMMERY OF THE UTILITY MODEL

To overcome the problems in the related art, the present disclosure provides an electric appliance.

According to an aspect of an embodiment of the present disclosure, there is provided an electric apparatus including: the first shell comprises a bottom plate and a side wall formed by extending upwards along the side edge of the bottom plate; the liquid storage device is used for containing liquid and comprises a second shell, and the second shell is accommodated in the first shell; an accommodating space is formed between the bottom wall of the second shell and the chassis; and a temperature control device configured to maintain the temperature of the bottom wall of the second housing at not less than ambient temperature.

In one embodiment, the temperature control device includes: a third housing disposed inside the second housing; and a gap is formed between the second shell and the third shell to form a heat insulation space.

In one embodiment, the temperature control apparatus further comprises: and the heat insulation layer is filled in the heat insulation space.

In an embodiment, the second housing comprises an insulating material.

In one embodiment, the first housing is provided with a vent; the temperature control device includes: the first fan is arranged in the accommodating space.

In one embodiment, the vent includes an inlet and an outlet, and the first fan is disposed between the inlet and the outlet.

In one embodiment, the temperature control device includes: and the heating component is arranged in the accommodating space.

In one embodiment, the heat generating component is a PTC heater.

In an embodiment, the electrical equipment further comprises a circuit board, and the circuit board is arranged in the accommodating space; the heating component is arranged at a position close to the circuit board.

In one embodiment, the electrical device further comprises a filter element and an upper housing; the upper shell is arranged above the first shell and is connected with the upper part of the first shell; the filter element is arranged between the upper shell and the first shell.

In an embodiment, the electrical device further comprises a second fan; the second fan is arranged at the top of the electrical equipment and is positioned inside the upper shell; the upper housing is provided with a plurality of vents.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the bottom wall of the second shell is maintained to be not lower than the ambient temperature by the temperature control device arranged in the electrical equipment. Such setting, inside outside air entered the humidifier, when meetting the second casing diapire, can not form the comdenstion water. Thereby avoided the comdenstion water to drip to the circuit board on, leaded to the circuit board to appear harm such as short circuit, and then ensured electrical equipment's quality.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic structural view of a humidifier in the related art.

Fig. 2 is a schematic structural diagram of an electrical device according to an exemplary embodiment.

Fig. 3 is an exploded view of an electrical device according to an exemplary embodiment.

Fig. 4 is a schematic cross-sectional structure diagram of a first housing of an electrical device according to an exemplary embodiment.

Fig. 5 is a simplified schematic diagram illustrating a cross-sectional structure of an electrical device according to an exemplary embodiment.

Fig. 6 is a simplified schematic diagram illustrating a cross-sectional structure of an electrical device according to another exemplary embodiment.

Fig. 7 is a simplified schematic diagram illustrating a cross-sectional structure of an electrical device according to another exemplary embodiment.

Fig. 8 is a simplified schematic diagram illustrating a cross-sectional structure of an electrical device according to another exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Fig. 1 is a schematic structural view of a humidifier of the related art, and as shown in fig. 1, a circuit board 12 is disposed below an inner case 11 of a water tank. The air inside the tank takes away heat as it evaporates, resulting in a drop in the temperature of the inner tank shell 11, below ambient temperature.

A vent 14 is provided in the humidifier housing 13. Outside air can enter the humidifier through the ventilation opening, and when the outside air meets the inner water tank shell 11 with the temperature lower than the ambient temperature, condensed water is formed on the inner water tank shell 11. The condensed water drips on the circuit board, which may cause short circuit and other conditions of the circuit board, resulting in damage to the humidifier.

The electric appliance of the present disclosure includes: the first shell comprises a bottom plate and a side wall formed by extending upwards along the side edge of the bottom plate; the liquid storage device is used for containing liquid and comprises a second shell, and the second shell is accommodated in the first shell; an accommodating space is formed between the bottom wall of the second shell and the chassis; and a temperature control device configured to maintain the temperature of the bottom wall of the second housing not lower than an ambient temperature.

The bottom wall of the second shell is maintained to be not lower than the ambient temperature by the temperature control device arranged in the electrical equipment. Such setting, inside outside air entered the humidifier, when meetting the second casing diapire, can not form the comdenstion water. Thereby avoided the comdenstion water to drip to the circuit board on, leaded to the circuit board to appear harm such as short circuit, and then ensured electrical equipment's quality.

The electric appliance equipment can be any one of household appliances such as a humidifier, an air cooler, a water purifier and the like.

Fig. 2 is a schematic structural diagram of an electrical device according to an exemplary embodiment. Fig. 3 is an exploded view of an electrical device according to an exemplary embodiment. Fig. 4 is a schematic cross-sectional structure diagram of a first housing of an electrical device according to an exemplary embodiment.

As shown in fig. 2, 3, 5, and 4, the electric device of the present disclosure includes: a first housing, a reservoir 110. The first housing includes a bottom plate 150, and a sidewall 100 formed to extend upward along a side of the bottom plate 150.

As shown in fig. 2 and 3, the first housing may be in the shape of a cylinder with an open top, and the cylinder may define a receiving space therein for receiving the liquid storage device 110.

In the present disclosure, the reservoir 110 is used to hold a liquid, such as may be used to hold water. The reservoir 110 includes a second housing 112, and the second housing 112 is received in the first housing. That is, the second housing 112 is disposed inside the first housing, and the bottom wall of the second housing 112 is disposed opposite to the bottom plate 150, and the side wall of the second housing 112 is disposed opposite to the side wall 100 of the first housing.

As shown in fig. 4, an accommodating space is formed between the bottom wall of the second casing 112 and the chassis 150, and the accommodating space can be used for arranging various functional devices therein. For example, the circuit board 140 is disposed in the accommodating space and located below the bottom wall of the second housing 112. The circuit board 140 may be used to control the operation of the electrical device.

In the present disclosure, a vent 151 may be further disposed on the bottom chassis 150, and the vent 151 may be in a circular hole or a strip shape, so that external air can enter the interior of the electrical apparatus 10 through the vent 151.

In the present disclosure, various sensors, such as an ambient temperature sensor, an ambient humidity sensor, etc., may be further disposed in the accommodating space. The sensors can monitor the temperature and humidity in the environment and then transmit data to the circuit board, and the circuit board controls the operation of the electrical equipment according to set parameters.

Set up aforementioned sensor in electrical equipment, be favorable to the accuracy to master ambient temperature to corresponding adjustment is made to electrical equipment's operation, be favorable to improving user's use like this and experience, and then can promote the competitiveness of product.

In the present disclosure, the electrical appliance 10 may further include a temperature control device. The temperature control means may be arranged to maintain the temperature of the bottom wall of the second housing 112 at a temperature not lower than ambient temperature.

And a temperature control device is arranged in the electrical equipment, and the bottom wall of the second shell is maintained to be not lower than the ambient temperature by using the temperature control device. Such setting, inside outside air entered the humidifier, when meetting the second casing diapire, can not form the comdenstion water. Thereby avoided the comdenstion water to drip to the circuit board on, leaded to the circuit board to appear harm such as short circuit, and then ensured electrical equipment's quality.

It should be noted that the present disclosure does not limit the specific form and structure of the temperature control device, as long as the temperature of the bottom wall of the second housing 112 can be controlled not to be lower than the ambient temperature.

The present disclosure also provides an electrical apparatus, comprising: first casing, stock solution device. The first shell comprises a bottom plate and a side wall formed by extending upwards along the side edge of the bottom plate.

The first shell can be in a cylindrical shape with an open top, and an accommodating space is formed inside the cylinder and can be used for accommodating the liquid storage device.

In the present disclosure, the liquid storage device is used for containing liquid, and the liquid storage device includes a second housing, and the second housing is accommodated in the first housing. An accommodating space is formed between the bottom wall of the second shell and the chassis, and multiple functional devices can be arranged in the accommodating space.

Fig. 5 is a simplified schematic cross-sectional structure of an electrical appliance according to an exemplary embodiment, and as shown in fig. 4 and 5, in an exemplary embodiment of the present disclosure, the temperature control device may include a third housing 111, and the third housing 111 is disposed inside the second housing 112.

The liquid storage device is used for containing liquid, and the third casing 111 may be a casing directly contacting with the liquid.

In the present disclosure, as shown in fig. 4 and 5, a gap exists between the second casing 112 and the third casing 111, forming a thermal insulation space 120.

The arrangement of the present disclosure makes use of the gap between the second casing 112 and the third casing 111 to create a temperature transmission barrier between the second casing 112 and the third casing 111, i.e., a thermal insulation space 120.

The third shell 111 is in direct contact with the liquid, and the temperature of the third shell 111 is reduced due to the heat carried by the evaporation of the liquid, and at this time, the temperature change of the third shell 111 does not cause the temperature change of the second shell 112 due to the existence of the thermal insulation space 120. I.e., the temperature of the second housing 112 is room temperature.

With the arrangement, when the external air enters the electrical equipment and reaches the second shell 112, the condensed water is not formed due to the temperature reduction of the second shell 112, so that the circuit board can be prevented from being damaged by the condensed water, and finally the quality of the electrical equipment can be improved.

In an exemplary embodiment of the present disclosure, the second housing may further include an insulation material. For example, the second housing may include one or more of fiberglass, asbestos, rock wool, silicate, aerogel blanket, vacuum panels, and like insulating materials.

The heat insulation material is stored in the second shell, so that the temperature change of the second shell caused by the temperature change of the third shell can be further prevented, and the heat insulation effect of the heat insulation space is improved. Specifically, the heat insulating material may be provided on a side of the second casing opposite to the third casing, so that the heat insulating effect can be exerted to the maximum.

With the arrangement, when the external air enters the electrical equipment and reaches the second shell, the condensed water is not formed due to the temperature reduction of the second shell 112, so that the circuit board can be prevented from being damaged by the condensed water, and finally the quality of the electrical equipment can be improved.

In an exemplary embodiment of the present disclosure, the temperature control apparatus may further include: the heat insulation layer is filled in the heat insulation space. The insulation may comprise one or more of fiberglass, asbestos, rock wool, silicates, aerogel blankets, vacuum panels, and like insulation materials.

Set up the heat preservation in the space that insulates against temperature, can further prevent that the temperature change of third casing from causing the temperature change of second casing, promote the effect that insulates against temperature in the space that insulates against temperature. Specifically, the heat insulating material may be provided on a side of the second casing opposite to the third casing, so that the heat insulating effect can be exerted to the maximum.

It should be noted that the temperature control device of the present disclosure is not limited to providing the third housing, and in other possible embodiments, other components may be provided as long as the temperature of the second housing can be maintained not lower than the ambient temperature.

Fig. 6 is a simplified schematic cross-sectional structure diagram of an electrical device according to another exemplary embodiment, and as shown in fig. 6, in an exemplary embodiment of the present disclosure, a first housing is provided with a vent. The number of the ventilation openings may be one or more.

The ventilation opening is arranged to accelerate the air circulation inside the accommodating space, so as to accelerate the heat exchange between the second casing 112 and the outside air. With this arrangement, when the temperature of the second casing 112 decreases, the temperature of the second casing 112 can be speeded up from returning to the ambient temperature.

When the external air enters the electrical equipment and reaches the second shell, the temperature of the second shell 112 is not reduced to form condensed water, so that the circuit board can be prevented from being damaged by the condensed water, and finally the quality of the electrical equipment can be improved.

As shown in fig. 6, the ventilation openings may include two, a first ventilation opening 131 and a second ventilation opening 132.

In some embodiments, the first ventilation opening 131 and the second ventilation opening 132 may be disposed opposite to each other, so as to further accelerate air circulation inside the accommodating space, and thus heat exchange between the second housing 112 and the outside air may be accelerated. With this arrangement, when the temperature of the second casing 112 decreases, the temperature of the second casing 112 can be speeded up from returning to the ambient temperature.

In the present disclosure, as shown in fig. 6, the temperature control device may include a first fan 160, and the first fan 160 is disposed in the accommodating space. The first fan 160 is disposed inside the accommodating space, so as to accelerate air circulation inside the accommodating space, and further accelerate heat exchange between the second housing 112 and the outside air.

With this arrangement, when the temperature of the second casing 112 decreases, the temperature of the second casing 112 can be speeded up from returning to the ambient temperature. When the external air enters the electrical equipment and reaches the second shell 112, the condensed water is not formed due to the temperature reduction of the second shell 112, so that the circuit board can be prevented from being damaged by the condensed water, and finally the quality of the electrical equipment can be improved.

In an exemplary embodiment of the present disclosure, the vent may include an intake opening and an outtake opening, and the first fan 160 may be disposed between the intake opening and the outtake opening.

As shown in fig. 6, the first ventilation opening 131 may be an air inlet, and the second ventilation opening 132 may be an air outlet. The first fan 160 is disposed between the air inlet and the air outlet, so as to further accelerate the air circulation inside the accommodating space, and further accelerate the heat exchange between the second casing 112 and the external air. With this arrangement, when the temperature of the second casing 112 decreases, the temperature of the second casing 112 can be speeded up from returning to the ambient temperature.

It should be noted that the present disclosure does not limit the specific positions of the air outlet and the air inlet.

Moreover, the temperature control device of the present disclosure is not limited to the first fan, and in other possible embodiments, other various components may be used as long as the temperature of the second housing can be maintained not lower than the ambient temperature.

Fig. 7 is a simplified schematic cross-sectional structure diagram of an electrical appliance according to another exemplary embodiment, and as shown in fig. 7, in the exemplary embodiment of the present disclosure, a temperature control device includes a heat generating component 170, and the heat generating component 170 is disposed in an accommodating space.

The heat generating component 170 is disposed in the accommodating space, heat is provided through the heat generating component 170, and the heat exchanges with the second casing 112, so that the temperature of the second casing 112, which is reduced due to evaporation of the liquid, can be compensated.

In the disclosed exemplary embodiment, the heat generating component 170 may be a PTC heater. The PTC heating element can be composed of a PTC ceramic heating element and an aluminum tube. The PTC heating element has small thermal resistance, high heat exchange efficiency, automatic constant temperature and electricity saving.

The PTC heater is used as the heating component 170, so that the requirement of the accommodating space for heating temperature can be met. On the other hand, the PTC heater has low thermal resistance and saves electricity, and is suitable for small-sized household appliances such as humidifiers.

In an exemplary embodiment of the present disclosure, as shown in fig. 7, the electrical apparatus 10 further includes a circuit board 140, and the circuit board 140 is disposed in the accommodating space. The heat generating component 170 is disposed near the circuit board 140.

The heating element 170 is disposed near the circuit board 140, so that the portion of the second casing 112 opposite to the circuit board 140 can be preferentially rewarmed, thereby avoiding the generation of condensed water due to temperature reduction at the position of the second casing 112 opposite to the circuit board 140, and further preventing the condensed water from dropping on the circuit board 140 to short circuit the circuit board 140.

It should be noted that the present disclosure is not limited to the use of one temperature control device, and in some embodiments, a plurality of temperature control devices may be used as long as the conditions can be satisfied.

Fig. 8 is a simplified schematic diagram illustrating a cross-sectional structure of an electrical apparatus according to another exemplary embodiment, and as shown in fig. 8, the present disclosure further provides an electrical apparatus 10, and a temperature control device of the electrical apparatus 10 may include the following components at the same time:

a thermal insulation space formed by the third casing and the second casing, a first fan 160, and a heat generating component 170.

With this arrangement, the bottom wall of the second housing can be further controlled not to fall below the ambient temperature. Such setting, inside outside air entered the humidifier, when meetting the second casing diapire, can not form the comdenstion water. Thereby avoided the comdenstion water to drip to the circuit board on, leaded to the circuit board to appear harm such as short circuit, and then ensured electrical equipment's quality.

As shown in fig. 2 to 8, in an exemplary embodiment of the present disclosure, the electrical appliance 10 further includes a filter cartridge 200 and an upper housing 300. The upper housing 300 is disposed above the first housing and connected to the first housing. The filter cartridge 200 is disposed between the upper case 300 and the first case.

The filter element 200 can filter impurities in liquid, and avoid the impurities from diffusing to cause human body damage.

As shown in fig. 5 to 8, in the present exemplary embodiment, the electrical appliance 10 further includes a second fan 302. The second fan 302 is disposed on the top of the electrical apparatus 10 and located inside the upper housing 300.

The upper case 300 is also provided with a plurality of vents 301. For example, two ventilation openings 301 may be provided. The second fan 302 may accelerate the circulation of the steam generated inside the electric appliance to the outside, thereby changing the temperature or humidity of the surrounding environment.

According to the above embodiments, it can be seen that the present disclosure maintains the bottom wall of the second housing not lower than the ambient temperature by providing the temperature control device in the electrical apparatus. Such setting, inside outside air entered the humidifier, when meetting the second casing diapire, can not form the comdenstion water. Thereby avoided the comdenstion water to drip to the circuit board on, leaded to the circuit board to appear harm such as short circuit, and then ensured electrical equipment's quality.

It is understood that, in order to implement the functions described above, the electrical device provided in the embodiments of the present disclosure includes a hardware structure and/or a software module for performing each function. The disclosed embodiments can be implemented in hardware or a combination of hardware and computer software, in combination with the exemplary elements and algorithm steps disclosed in the disclosed embodiments. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.

It is understood that "a plurality" in this disclosure means two or more, and other words are analogous. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It will be further understood that the terms "first," "second," and the like are used to describe various information and that such information should not be limited by these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the terms "first," "second," and the like are fully interchangeable. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.

It will be further understood that the terms "central," "longitudinal," "lateral," "front," "rear," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present embodiment and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation.

It will be further understood that, unless otherwise specified, "connected" includes direct connections between the two without the presence of other elements, as well as indirect connections between the two with the presence of other elements.

It is further to be understood that while operations are depicted in the drawings in a particular order, this is not to be understood as requiring that such operations be performed in the particular order shown or in serial order, or that all illustrated operations be performed, to achieve desirable results. In certain environments, multitasking and parallel processing may be advantageous.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An electrical device, comprising:

the first shell comprises a bottom plate and a side wall formed by extending upwards along the side edge of the bottom plate;

the liquid storage device is used for containing liquid and comprises a second shell, and the second shell is accommodated in the first shell; an accommodating space is formed between the bottom wall of the second shell and the chassis; and

a temperature control device configured to maintain a temperature of the bottom wall of the second housing not less than an ambient temperature.

2. The electrical device according to claim 1,

the temperature control device includes: a third housing disposed inside the second housing;

and a gap is formed between the second shell and the third shell to form a heat insulation space.

3. The electrical device according to claim 2,

the temperature control device further includes: and the heat insulation layer is filled in the heat insulation space.

4. The electrical device according to any of the claims 1 to 3,

the second housing includes an insulating material.

5. The electrical device according to any of the claims 1 to 3,

The first shell is provided with a ventilation opening;

the temperature control device includes: the first fan is arranged in the accommodating space.

6. The electrical device according to claim 5,

the vent comprises an air inlet and an air outlet, and the first fan is arranged between the air inlet and the air outlet.

7. The electrical device according to any of the claims 1 to 3,

the temperature control device includes: and the heating component is arranged in the accommodating space.

8. The electrical device of claim 7,

the heating component is a PTC heating body.

9. The electrical device of claim 7,

the electrical equipment also comprises a circuit board which is arranged in the accommodating space;

the heating component is arranged at a position close to the circuit board.

10. The electrical device of claim 7,

the electrical equipment also comprises a filter element and an upper shell;

the upper shell is arranged above the first shell and is connected with the upper part of the first shell;

the filter element is arranged between the upper shell and the first shell.

11. The electrical device according to claim 10,

the electrical equipment further comprises a second fan;

the second fan is arranged at the top of the electrical equipment and is positioned inside the upper shell;

the upper housing is provided with a plurality of vents.